This patch make the dma dev request operation compatible for both DT and non-DT cases. It takes the all the arguments required for dma_request_slave_channel and dma_request_channel. If the driver is initiated via DT or non-DT the corresponding call will be made.
Signed-off-by: Padmavathi Venna <[email protected]> --- arch/arm/plat-samsung/dma-ops.c | 10 ++++++++-- arch/arm/plat-samsung/include/plat/dma-ops.h | 3 ++- arch/arm/plat-samsung/s3c-dma-ops.c | 3 ++- 3 files changed, 12 insertions(+), 4 deletions(-) diff --git a/arch/arm/plat-samsung/dma-ops.c b/arch/arm/plat-samsung/dma-ops.c index d088afa..71d58dd 100644 --- a/arch/arm/plat-samsung/dma-ops.c +++ b/arch/arm/plat-samsung/dma-ops.c @@ -19,7 +19,8 @@ #include <mach/dma.h> static unsigned samsung_dmadev_request(enum dma_ch dma_ch, - struct samsung_dma_req *param) + struct samsung_dma_req *param, + struct device *dev, char *ch_name) { dma_cap_mask_t mask; void *filter_param; @@ -33,7 +34,12 @@ static unsigned samsung_dmadev_request(enum dma_ch dma_ch, */ filter_param = (dma_ch == DMACH_DT_PROP) ? (void *)param->dt_dmach_prop : (void *)dma_ch; - return (unsigned)dma_request_channel(mask, pl330_filter, filter_param); + + if (dev->of_node) + return (unsigned)dma_request_slave_channel(dev, ch_name); + else + return (unsigned)dma_request_channel(mask, pl330_filter, + filter_param); } static int samsung_dmadev_release(unsigned ch, void *param) diff --git a/arch/arm/plat-samsung/include/plat/dma-ops.h b/arch/arm/plat-samsung/include/plat/dma-ops.h index f5144cd..1141782 100644 --- a/arch/arm/plat-samsung/include/plat/dma-ops.h +++ b/arch/arm/plat-samsung/include/plat/dma-ops.h @@ -39,7 +39,8 @@ struct samsung_dma_config { }; struct samsung_dma_ops { - unsigned (*request)(enum dma_ch ch, struct samsung_dma_req *param); + unsigned (*request)(enum dma_ch ch, struct samsung_dma_req *param, + struct device *dev, char *ch_name); int (*release)(unsigned ch, void *param); int (*config)(unsigned ch, struct samsung_dma_config *param); int (*prepare)(unsigned ch, struct samsung_dma_prep *param); diff --git a/arch/arm/plat-samsung/s3c-dma-ops.c b/arch/arm/plat-samsung/s3c-dma-ops.c index f99448c..0cc40ae 100644 --- a/arch/arm/plat-samsung/s3c-dma-ops.c +++ b/arch/arm/plat-samsung/s3c-dma-ops.c @@ -36,7 +36,8 @@ static void s3c_dma_cb(struct s3c2410_dma_chan *channel, void *param, } static unsigned s3c_dma_request(enum dma_ch dma_ch, - struct samsung_dma_req *param) + struct samsung_dma_req *param, + struct device *dev, char *ch_name) { struct cb_data *data; -- 1.7.4.4 _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
